Je was op zoek naar: primarystage (Engels - Duits)

primarystage. show ( ) ;
primarystage. show ( ) ;

primarystage. settitle ( "checkup" ) ;
primarystage. settitle ( "checkup" ) ;

primarystage. setscene ( new scene ( root, 600 , 600 ) ) ;
primarystage. setscene ( new scene ( root, 600 , 600 ) ) ;